{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process characterization", "material", "machanical property", "manufacturing standard", "process parameter"], "input": "In this paper , we model non-isothermal polymer relaxation , entanglement recovery , and diffusion processes that occur post-extrusion to investigate the effects that typical printing conditions and amorphous ( non-crystalline ) polymer rheology have on the ultimate weld structure ."}
{"process characterization": [], "material": ["polymer"], "machanical property": [], "manufacturing standard": [], "process parameter": []}